Home / 68,570.28-94,639.32-40,277.52

Finding the Fourth Proportional to 68,570.28, 94,639.32 and 40,277.52

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Solution

The fourth proportional to 68,570.28, 94,639.32 and 40,277.52 is: 55,590.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,570.28 : 94,639.32 = 40,277.52 : x
  2. Step 2: Convert to fraction form
    68,570.28/94,639.32 = 40,277.52/x
  3. Step 3: Cross multiply
    68,570.28x = 94,639.32 × 40,277.52
  4. Step 4: Simplify right side
    68,570.28x = 3,811,837,104.09
  5. Step 5: Solve for x
    x = 3,811,837,104.09/68,570.28
  6. Step 6: Final answer
    x = 55,590.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.